15 octubre 2015
In West Africa, many farmers move to the cities, where they cultivate soils, many of which are not very fertile. An international research team involved in the «Urban FoodPlus» project is looking for ways of boosting crop yields. In their experiments, they have identified biochar as an effective agent. It can be manufactured from crop residues at low costs.
http://www.sciencedaily.com/releases/2015/10/151015104257.htm
